CVE-2026-118692
CherryTree through 1.7.2 OS Command Injection via Custom Web Link Action
CherryTree through 1.7.2 contains an OS command injection vulnerability in CtActions::link_clicked that allows attackers to execute commands by embedding shell metacharacters in web link URLs. When the non-default Custom Web Link Clicked Action option is enabled, attackers can supply crafted documents whose links pass $(...), backticks, or semicolons unquoted to std::system, running commands as the victim on click.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| cherrytree giuspen |
≥ 0; ≤ 1.7.2 (affected, custom)
Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 7.1 high |
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | CNA: VulnCheck |
| 3.1 / 7.0 high |
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H | CNA: VulnCheck |
Exploit evidence
- https://github.com/giuspen/cherrytree/issues/2945
exploit · ADP: CISA-ADP
References
- https://github.com/giuspen/cherrytree/issues/2945CNA: VulnCheck · issue-tracking
- https://github.com/giuspen/cherrytreeCNA: VulnCheck · product
- https://github.com/giuspen/cherrytree/blob/v1.7.2/src/ct/ct_actions_others.cc#L381-L388CNA: VulnCheck · technical-description
- https://github.com/giuspen/cherrytree/blob/v1.7.2/src/ct/ct_misc_utils.cc#L227-L247CNA: VulnCheck · technical-description
- https://www.vulncheck.com/advisories/cherrytree-through-1.7.2-os-command-injection-via-custom-web-link-actionCNA: VulnCheck · third-party-advisory
- https://github.com/giuspen/cherrytree/issues/2945ADP: CISA-ADP · exploit
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